Patent US2936219A successfully refreshed from Google Patents.
US2936219A
Expired / Lapsed
US
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Production of chlorine dioxide
Assignee: Occidental Chemical Corp
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Filing: 1957-02-18
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Granted: 1960-05-10
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Expires: 1977-02-18
Abstract
No abstract record available.
Inventors
- 👤 Rapson William Howard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:33
CPC Classifications
C; C01; C01B; C01B11/00; C01B11/02; C01B11/022; C01B11/023
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
IN A PROCESS FOR THE PRODUCTION OF CHLORINE DIOXIDE FOR A CHLORATE AND A REDUCING AGENT IN ACID SOLUTION, THE IMPROVEMENT WHICH COMPRISES ADDING BETWEEN 1% AND 30% BY WEIGHT OF A CHLORIDE SELECTED FROM THE GROUP CONSISTING OF METAL CHLORIDES AND HYDROCHLORIC ACID, TO THE REACTION SOLUTION, SAID PERCENTAGE BEING BASED UPON THE WEIGHT OF CHLORATE PRESENT IN THE REACTION MIXTURE.
Claim 2
Dependent Claim
62 words
IN A PROCESS FOR THE PRODUCTION OF CHLORINE DIOXIDE FOR A CHLORATE AND A REDUCING AGENT IN ACID SOLUTION, THE IMPROVEMENT WHICH COMPRISES ADDING BETWEEN 1% AND 30% BY WEIGHT OF A CHLORIDE SELECTED FROM THE GROUP CONSISTING OF METAL CHLORIDES AND HYDROCHLORIC ACID, TO THE REACTION SOLUTION, SAID PERCENTAGE BEING BASED UPON THE WEIGHT OF CHLORATE PRESENT IN THE REACTION MIXTURE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-10 | 1963-11-09 | 1964-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-10 | 1967-11-09 | 1968-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-10 | 1971-11-09 | 1972-05-10 | $7700.00 | Window Closed / Lapsed |